装备修理类经费需求受到装备数量、装备使用强度、使用环境等因素影响,历年经费消耗情况综合以上因素反映装备修理类经费需求情况.基于趋势外推法进行装备修理类经费投量预计,分析历年经费消耗规律,合理选择模型及参数.借助实际数据利用模型进行预计,并通过平均绝对误差判定其合理.%Equipment maintenance funds demand is effected by equipment amount, equipment use strength and equipment use environment. Annual funds consuming situations comprehensive all the influences to reflect equipment maintenance funds demand. The extend method for equipment maintenance funds input amount prediction can analyze annual funds consuming regular pattern, and select the mode and parameter reasonably. It uses the mode to predict the funds consuming with reality data and judge the reasonably by average absolutely error.
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